
package com.fly.uibutil;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;

import javax.imageio.ImageIO;

import org.apache.log4j.Logger;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

/**
 * 图片水印处理
 * 
 * @author 董华健
 */
public class ToolImagePressText
{

    @SuppressWarnings("unused")
    private static Logger log = Logger.getLogger(ToolImagePressText.class);

    /**
     * 把图片印刷到图片上
     * 
     * @param pressImg -- 水印文件
     * @param targetImg -- 目标文件
     * @param x
     * @param y
     */
    public final static void pressImage(String pressImg, String targetImg,
            int x, int y)
    {
        try
        {
            File _file = new File(targetImg);
            Image src = ImageIO.read(_file);
            int wideth = src.getWidth(null);
            int height = src.getHeight(null);
            BufferedImage image = new BufferedImage(wideth, height,
                    BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();
            g.drawImage(src, 0, 0, wideth, height, null);

            // 水印文件
            File _filebiao = new File(pressImg);
            Image src_biao = ImageIO.read(_filebiao);
            int wideth_biao = src_biao.getWidth(null);
            int height_biao = src_biao.getHeight(null);
            g.drawImage(src_biao, wideth - wideth_biao - x, height
                    - height_biao - y, wideth_biao, height_biao, null);
            g.dispose();
            FileOutputStream out = new FileOutputStream(targetImg);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            encoder.encode(image);
            out.close();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    /**
     * 打印文字水印图片，右下角计算坐标
     * 
     * @param pressText --文字
     * @param targetImg -- 目标图片
     * @param fontName -- 字体名
     * @param fontStyle -- 字体样式
     * @param color -- 字体颜色
     * @param fontSize -- 字体大小
     * @param x -- 偏移量
     * @param y
     */
    public static void pressText(String pressText, String targetImg,
            String fontName, int fontStyle, int color, int fontSize, int x,
            int y)
    {
        try
        {
            File _file = new File(targetImg);
            Image src = ImageIO.read(_file);
            int wideth = src.getWidth(null);
            int height = src.getHeight(null);
            BufferedImage image = new BufferedImage(wideth, height,
                    BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();
            g.drawImage(src, 0, 0, wideth, height, null);
            g.setColor(Color.RED);
            g.setFont(new Font(fontName, fontStyle, fontSize));
            g.drawString(pressText, wideth - fontSize - x, height - fontSize
                    / 2 - y);
            g.dispose();
            FileOutputStream out = new FileOutputStream(targetImg);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            encoder.encode(image);
            out.close();
        }
        catch (Exception e)
        {
            System.out.println(e);
        }
    }

    public static void main(String[] args)
    {
        // 图片水印处理
        // pressImage("D:/194122749129953.jpg", "D:/aaa.jpg", 20,
        // 20);//前面的图片印刷到后面的图片
        pressText("http://www.4bu4.com", "d:/sago.jpg", "", 11, 11, 20, 300, 20);// 右下角是坐标定点
    }

}
